I'm not sure if it exists, but an "Auto apps positioning" feature in mobile OS should be introduced.
(I'm talking about iOS and Android and NOT Windows OS)
I have seen users search for their most frequently used apps in their phones. Apps that are positioned in screen 4 / screen 5 are used often, yet they remain there and users prefer scrolling screens until they find them, than moving it to a easily accessible screen.
1 - Either the users are lazy to move them to easily accessible screens.
2 - They do not know how to move them.
3 - They are comfortable searching for them and have adapted that way.
Users end up installing all possible apps that they think they need, but eventually don't end up using most of it. Also, they do not delete it.
In my opinion the system should intelligently sequence their apps as per their usage from most used apps to least used apps.
1 - Saves User's Time.
2 - Saves Battery. (Not significantly, yet it does.)
3 - More Space - User would clearly know the screen wise categorization of the most used apps to the least used apps. This may gently prompt the user to act upon this by deleting apps which are rarely or never used, Hence making way for more space.
4 - Getting away from the scattered app positioning and remain organised.